26426440

素因数分解:

$2^3\times 5^1\times {\mathrm{660661}}^1$

素因数の和:660672

約数の個数: 16

約数和(自身を含む): 59459580

約数和(自身を除く): 33033140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 660661, 1321322, 2642644, 3303305, 5285288, 6606610, 13213220, 26426440]

約数ペア:

[(1, 26426440), (2, 13213220), (4, 6606610), (5, 5285288), (8, 3303305), (10, 2642644), (20, 1321322), (40, 660661)]